제출 #1192711

#제출 시각아이디문제언어결과실행 시간메모리
1192711nagorn_phCoins (IOI17_coins)C++20
100 / 100
6 ms584 KiB
#include <bits/stdc++.h>
#include "coins.h"

using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    int ans = c;
    for (int i = 0; i < b.size(); i++) {
        if (b[i]) ans ^= i;
    }
    vector <int> temp; temp.emplace_back(ans);
    return temp;
}

int find_coin(vector<int> b) {
    int ans = 0;
    for (int i = 0; i < b.size(); i++) if (b[i]) ans ^= i;
    return ans;
}
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